Write the word statement as an equation. Use x to represent the unknown number. Do not solve.The sum of a number and 3 multiplied by the sum of the number and 18 is equivalent to 39 minus 21 times the number.
A. (x + 3)(x + 18) = 21x - 39
B. (3x + 3)(18x + 18) = 21x - 39
C. (x + 3)(x + 18) = 39 - 21x
D. 3x(x + 18) = 39 - 21x
Answer: C
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Express the function in terms of its cofunction.cos 5°
A. sin 5° B. cos 95° C. sec 85° D. sin 85°
Provide an appropriate response.The partial fraction decomposition of an expression is 3x + 
- 
. From this decomposition, what can you say about the original expression?
A. The numerator of the original expression was of a degree greater than the denominator of the original expression. B. The numerator of the original expression was 3x2 + 6x - 4. C. The denominator of the original expression contained repeated linear factors. D. The denominator of the original expression contained a nonreducible quadratic factor.
Find i (the rate per period) and n (the number of periods) for the annuity.Monthly deposits of $1600 are made for 6 years into an annuity that pays 9% compounded monthly.
A. i = 0.09; n = 72 B. i = 0.75; n = 6 C. i = 0.75; n = 12 D. i = 0.0075; n = 72
Solve.A gas tank contains 25.6 L of gasoline. To top it off, 1314 ml of gasoline was added to it. Find the total amount of gasoline in the tank. Give your answer in liters.
A. 26.914 L B. 26,914 L C. 38.74 L D. 2691.4 L